HD 147873

Display orbital revolution around the star HD 147873
Imaginary Picture of Star HD 147873
Star Name : HD 147873
Alternate Name :
Star Distance (LY/pc): 342.2413 (LY) 104.9318 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 2.2900 (Rsun, estimated)
Stellar Mass (Msun): 1.3800 (Msun/observed) 1.3800 (Msun/estimated)
Spectral type : G1V
Metalicity : -0.0300
Absolute Magnitude : 2.86
Apparent Magnitude : 7.96
Right Ascension(RA) : 246.43750
Declination(DEC) : -33.45361
  • This is the HD 147873 . The star HD 147873 islocated about 342.2 light-years (104.9 pc) away from our Solar System.
  • The star HD 147873 has apparent magnitude of 8.0, with absolute magnitude of 2.9.
  • It is 1.4 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 5972 with its spectral types of G1V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 147873 b radius 1.049871 mass 5.140000 orbital distance 0.522000
  • Name of the 2 Planet HD 147873 c radius 0.907830 mass 2.300000 orbital distance 1.360000
    (Illustration of the HD 147873's Planetary System)



    The Star HD 147873 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.769 AU ( 264687354.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.446 AU ( 365867094.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.727 AU ( 557500486.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.484 AU ( 820386387.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 147873)



    Kopparapu's Recent Venus for Star HD 147873 distance : 1.812 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 147873 distance : 2.295 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 147873 distance : 2.217 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 147873 distance : 2.430 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 147873 distance : 4.033 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 147873 distance : 4.254 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 147873)



  • Original Kopparapu Recent Venus for Star HD 147873 distance : 1.822 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 147873 distance : 2.357 AU
  • Original Kopparapu Moist Greenhouse for Star HD 147873 distance : 2.411 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 147873 distance : 4.105 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 147873 distance : 4.269 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 147873)



    (Position in Stellar Map of star HD 147873 )



    (Zoomed position in Stellar Map of star HD 147873 (zoom level 3))

    (Synthetic Spectrum of star HD 70642*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102